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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (4 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0077: Lin Communication Bus "ECM/Pcm" Off >> General Description >> Component Description

Component Description

WARNING: This page is about a different variant/trim than selected.

LIN communication is used to send/receive data between ECM, generator, battery sensor, active grille shutter (model with active grille shutter), DC/DC converter 1 (model with Auto Start Stop), and DC/DC converter 2 (model with power amplifier).